Inhaltsverzeichnis
Werbung
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
DAC-Teil / DAC Part
1
2
3
A
KILLL
B
C
INPUT/OUTPUT REGISTER
D
LEFT BIT SWITCHES
DACDA
3
DATA
CONTROL
E
DACWS
2
WS
AND
TIMING
DACCL
BCK
1
F
RIGHT BIT SWITCHES
INPUT/OUTPUT REGISTER
G
H
KILLR
I
1
2
3
2 - 11
4
5
6
7
3371
47k
+5
3280
2280
2281
47uF/16V
100n
7280
TDA1545
5
VDD
LEFT
IBL
32 (S-BIT) CALIBRATED
CURRENT SOURCES
11-BIT PASSIVE
DIVIDER
1 CALIBRATED
SPARE SOURCE
REFERENCE
SOURCE
1 CALIBRATED
SPARE SOURCE
11-BIT PASSIVE
DIVIDER
32 (S-BIT) CALIBRATED
RREF 11k
CURRENT SOURCES
IBR
RIGHT
VSS
4
3370
47k
4
5
6
7
GRUNDIG Service
CD 21 / CD 22
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
8
9
10
KILL
+5
6361
7365
1N4148
BC558B
3369
5300
2305
4,7uH
150pF
3304
3k9
2304
-10
7300
220pF
NJM4560
6
+3.2V
2306
7
-
5
+
2.0V
+3.2V
4u7F/50V
+10
8
6
IOL
3302
+5
1R
+10V
2301
3301
47uF/25V
2302
3300
7
IREF
22nF
18k
2310
2300
3303
100n
47uF/16V
1R
-10V
2303
8
IOR
47uF/25V
7300
-10
NJM4560
4
+3.2V
2309
2.0V
+
3
-
1
+3.2V
4u7F/50V
2
2307
220pF
3305
KILL
+5
3k9
2308
5301
6360
4,7uH
150pF
7364
1N4148
BC558B
3368
-10
8
9
10
2 - 12
11
12
13
A
1301 5
-
+10
+10
1301 4
-
-10
-10
-8V in PLAY
2506
+5V in STOP
B
22nF
3364
1301 3
-
1k
HPL
3365
7362
2k2
BC338
C
ONLY CD 22
3360
1300 4
-
1k
LEFT
7360
3361
2505
2k2
BC338
D
3306
1nF
1301 2
-
GND
1300 2
-
GND
E
1300 3
-
GND
3366
1301 1
-
HPR
1k
F
3367
7363
2k2
BC338
ONLY CD 22
3363
1300 1
-
RIGHT
1k
3362
7361
2514
G
2k2
3307
BC338
1nF
H
-8V in PLAY
+5V in STOP
I
11
12
13
CD 21 / CD 22
Bauteil X Y
Component
1300
G 13
1300
D 13
1300
E 13
1300
E 13
1301
A 13
1301
B 13
1301
B 13
1301
E 13
1301
F 13
1302
I 10
1303
I 12
2280
C 5
2281
C 6
2300
E 8
2301
E 9
2302
E 10
2303
F
9
2304
C 10
2305
B 10
2306
C 10
2307
G 10
2308
H 10
2309
G 10
2310
E 8
2505
D 13
2506
B 13
2514
G 13
3280
C 5
3300
E 8
3301
E 8
3302
D 9
3303
E 9
3304
C 10
3305
G 10
3306
D 11
3307
G 11
3360
C 12
3361
D 12
3362
G 12
3363
G 12
3364
B 12
3365
C 12
3366
F 12
3367
F 12
3368
I
9
3369
B 9
3370
H 6
3371
B 6
5300
B 10
5301
H 10
6360
H 9
6361
B 9
7280
C 7
7300
C 10
7300
F 10
7360
D 12
7361
G 12
7362
C 12
7363
F 13
7364
H 8
7365
B 8
GRUNDIG Service
Werbung
Inhaltsverzeichnis
